The noise of the great hall:
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Robot heartbeat
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The noise of the elevator, knocking
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Laboratory experiment
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Turn on, blink, Daylight lamp
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Servo motor
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Wet, suction effect
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The noise of the room, air conditioning,
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Beads and balls crumble
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Kick the bike pedals
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Cork in the sink, bath
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Cover open, close, Suitcase
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The noise of the room, ventilation inside
★★★★★